A message you sent to a recipient at Aventail Corporation was rejected due
to header filtering. Because the message did not contain a local Aventail
recipient on the To: or CC: lines, Aventail's mail server is rejecting it as
possible spam.
Please re-send your message by adding the recipient to the To: or CC: line,
or by directing it to the recipient's personal email account instead.
Thanks,
itsec@aventail.com